These are the habits most likely to get and keep your memory sharp, say researchers who surveyed 30,000 people:
1. Watching less than one hour of TV a day.
2. Reading novels or magazines.
3. Having fewer than two alcoholic drinks a day.
4. Eating fish three times a week.
5. Doing crossword puzzles often.
6. Drinking tea or coffee.
7. Keeping a journal.
8. An observant perfectionist.